';
NEWS
▼
FEATURES
▼
FIGHT FINDER
▼
PODCASTS
▼
VIDEOS
RANKINGS
▼
FORUM
▼
BOXING
MORE
▼
FIGHT ODDS
PFL WORLD TOURNAMENT
UFC NEWS
PFL NEWS
WOMEN'S MMA NEWS
PREVIEWS
OPINION
INTERVIEWS
UFC EVENTS
PFL EVENTS
FULL CALENDAR
FIGHT FINDER GUIDE
SHILLAN & DUFFY PODCAST
THE SHEEHAN SHOW
AFTER THE BELL
CHECK THE KICK
DIVISIONAL RANKINGS
POUND-FOR-POUND RANKINGS
WOMEN'S POUND-FOR-POUND RANKINGS
UFC DISCUSSION
WORLDWIDE MMA DISCUSSION
OFF TOPIC DISCUSSION
PHOTOSHOPS
PICTURES
HOW TO WATCH
CONTACT
+
NEWS
UFC NEWS
PFL NEWS
WOMEN'S MMA NEWS
+
FEATURES
PREVIEWS
OPINION
INTERVIEWS
+
FIGHT FINDER
UFC EVENTS
PFL EVENTS
FULL CALENDAR
FIGHT FINDER GUIDE
+
PODCASTS
SHILLAN & DUFFY PODCAST
THE SHEEHAN SHOW
AFTER THE BELL
CHECK THE KICK
VIDEOS
+
RANKINGS
DIVISIONAL RANKINGS
POUND-FOR-POUND RANKINGS
WOMEN'S POUND-FOR-POUND RANKINGS
+
FORUM
UFC DISCUSSION
WORLDWIDE MMA DISCUSSION
OFF TOPIC DISCUSSION
PHOTOSHOPS
BOXING
+
MORE
PICTURES
HOW TO WATCH
CONTACT
FIGHT ODDS
PFL WORLD TOURNAMENT
MORE FROM OUR CHANNELS
Poland
Chorzow
Adam Wieczorek
"
Siwy
"
AGE
33
/
Feb 5, 1992
HEIGHT
6'5"
/
195.58 cm
WEIGHT
232 lbs
/
105.23 kg
ASSOCIATION
AKS Chorzow
CLASS
Heavyweight
Wins
11
KO
/
TKO
4
36%
SUBMISSIONS
6
55%
DECISIONS
1
9%
Losses
3
KO
/
TKO
1
33%
SUBMISSIONS
0
0%
DECISIONS
2
67%
FIGHT HISTORY - PRO
Result
Fighter
Event
Method/
Referee
R
Time
loss
Marcin Wojcik
FEN 48 - Wojcik vs. Wieczorek
Aug / 18 / 2023
KO (Punch)
Piotr Michalak
2
0:23
win
Oli Thompson
MMA Attack 4 - Comeback
Sep / 24 / 2022
TKO (Punches)
Piotr Jarosz
3
2:13
loss
Marcos Rogerio de Lima
UFC 230 - Cormier vs. Lewis
Nov / 03 / 2018
Decision (Unanimous)
Dan Miragliotta
VIEW PLAY-BY-PLAY
3
5:00
win
Arjan Singh Bhullar
UFC on Fox 29 - Poirier vs. Gaethje
Apr / 14 / 2018
Submission (Omoplata)
Al Guinee
VIEW PLAY-BY-PLAY
2
1:59
win
Anthony Hamilton
UFC Fight Night 121 - Werdum vs. Tybura
Nov / 18 / 2017
Decision (Unanimous)
Leon Roberts
VIEW PLAY-BY-PLAY
3
5:00
win
Ernesto Papa
Spartan Fight 5 - Browarski vs. Conti
Oct / 08 / 2016
Submission (Rear-Naked Choke)
Grzegorz Skibniewski
0
N/A
win
Zoumana Cisse
PLMMA 67 - Nastula Cup 1
May / 21 / 2016
TKO (Punches)
Piotr Michalak
1
5:06
win
Kevin Wiwatowski
PLMMA 61 / AFC 5 - Bytom
Dec / 05 / 2015
Submission (Armbar)
Marian Ziolkowski
3
3:25
win
Filip Toe
PLMMA 56 - Bielsko-Biala
Jun / 19 / 2015
TKO (Punches)
Piotr Michalak
1
3:54
win
Bartosz Jablonski
PLMMA 51 - Kalisz
Mar / 14 / 2015
Submission (Armbar)
Piotr Michalak
1
1:48
win
Andrzej Deberny
FA 10 - Fighters Arena 10
Nov / 22 / 2014
Submission (Armbar)
Piotr Michalak
1
1:40
win
Ryszard Raszkiewicz
MMAC - MMA Challengers 9
Feb / 22 / 2014
TKO (Punches)
Krzysztof Kulak
2
3:53
loss
Marcin Tybura
PMMAF - Polish MMA Championships Finals
Nov / 05 / 2011
Decision (Unanimous)
2
5:00
win
Adam Bizon
PMMAF - Polish MMA Championships Finals
Nov / 05 / 2011
Submission (Armbar)
1
2:23
Related Videos
◄
►
ADAM WIECZOREK RELATED NEWS
This Month’s MMA Birthdays: Bas Rutten Turns 60
The Tilburg, Netherlands, native transformed himself into one of the most recognizable figures in mixed martial arts through his competitive...
Brian Knapp
Feb 03, 2025
This Month’s MMA Birthdays: Tony Ferguson Celebrates No. 40
“El Cucuy” rattled off 15 victories across his first 16 appearances under the
Ultimate Fighting Championship
flag, settling in as one of the...
Brian Knapp
Feb 01, 2024
Preview: UFC Fight Night 213 Prelims
Middleweights anchor the latest
Ultimate Fighting Championship
undercard, as Phil Hawes takes on Roman Dolidze on Saturday in Las Vegas.
Fight Odds
Tom Feely
Oct 26, 2022
Preview: UFC 274 Prelims
The packed-to-the-gills undercard features 10 bouts when the
Ultimate Fighting Championship
touches down on Saturday in Phoenix.
UFC
Tom Feely
May 04, 2022
5 Things You Might Not Know About Anthony Hamilton
The well-traveled veteran will challenge
Rizvan Kuniev
for the
Eagle Fighting Championship
heavyweight title in the
EFC 46
co-main event.
Eagle FC
Brian Knapp
Mar 08, 2022
View More
Subscribe to our Newsletter
*
indicates required
Email Address
*
Latest News
ALL
UFC
PFL
Kevin Lee Joins PFL Roster, Gets Spot in Lightweight Semifinals
Multiple Visa Issues Result in Changes to UFC Vegas 107 Lineup
Dvalishvili Shuts Down O’Malley’s 'Bright Lights' Theory Ahead of UFC 316 Rematch
Cory Sandhagen: Sean O’Malley Hasn’t Faced 'Best of the Best' Going into UFC 316
UFC 316: Manager Invites Rousey, Nunes to Lose to Kayla Harrison on Same Night
UFC 317 Odds: Alexandre Pantoja vs. Kai Kara France
UFC 319: Tickets, Location, Where To Watch
Joseph Morales Throttles Eduardo Henrique on Episode 1 of ‘The Ultimate Fighter 33’
Multiple Visa Issues Result in Changes to UFC Vegas 107 Lineup
Dvalishvili Shuts Down O’Malley’s 'Bright Lights' Theory Ahead of UFC 316 Rematch
Cory Sandhagen: Sean O’Malley Hasn’t Faced 'Best of the Best' Going into UFC 316
UFC 316: Manager Invites Rousey, Nunes to Lose to Kayla Harrison on Same Night
UFC 317 Odds: Alexandre Pantoja vs. Kai Kara France
UFC 319: Tickets, Location, Where To Watch
Joseph Morales Throttles Eduardo Henrique on Episode 1 of ‘The Ultimate Fighter 33’
Report: Mother Files Restraining Order Against UFC Hall of Famer B.J. Penn
Kevin Lee Joins PFL Roster, Gets Spot in Lightweight Semifinals
Pivotal Bouts Added to July 19’s PFL Africa Champions Series Event
Professional Fighters League Updates July’s 2025 PFL Europe 2 Lineup
PFL Africa, Champions Series Events Rescheduled for July 19
Claressa Shields Says She’s 'Done' with MMA
PFL Announces Full Chicago Lineup in June; Adds Sergio Pettis-Raufeon Stots
Full Card Announced for PFL World Tournament 6 in Wichita
PFL Grants Release to Ex-Bellator Champ 'Patchy' Mix
EVENTS / FIGHTS
UFC
PFL
MORE
May
31
2025
UFC on ESPN 68
Blanchfield vs. Barber
Jun
07
2025
UFC 316
Dvalishvili vs. O'Malley 2
Jun
14
2025
UFC on ESPN 69
Usman vs. Buckley
Jun
21
2025
UFC on ABC 8
Hill vs. Rountree
Jun
28
2025
UFC 317
Oliveira vs. Topuria
Jun
12
2025
Professional Fighters League
2025 PFL World Tournament 5: Semifinals
Jun
20
2025
Professional Fighters League
2025 PFL World Tournament 6: Semifinals
Jun
27
2025
Professional Fighters League
2025 PFL World Tournament 7: Semifinals
Jul
04
2025
Professional Fighters League
PFL MENA 2: 2025 First Round
Jul
05
2025
Professional Fighters League
PFL Europe 2: 2025 First Round
+
MORE UFC FIGHTS
+
MORE PFL FIGHTS
POLL
Should fighters that have tested positive for performance-enhancing drugs be excluded from UFC Hall of Fame induction?
Yes, they are cheaters
No, it’s a complex issue
I’m indifferent
Yes, they are cheaters
50%
No, it’s a complex issue
37%
I’m indifferent
13%
TOTAL: 1,319 VOTES
{firstname} { "nickname" }{lastname}
{firstname} { "nickname" }{lastname}
{name} - {title}
FIGHT FINDER
FIGHTER OF THE WEEK
Gadzhi Rabadanov
TOP TRENDING FIGHTERS
Erin Blanchfield
Darragh Kelly
Mateusz Gamrot
Lazaro Dayron
MORE FIGHTERS...
MarQuel Mederos
|
Sarvarjon Khamidov
|
Oban Elliott
|
Ekaterina Shakalova
|
Seok Hyun Ko
|
Justin Wetzell
|
Conor McGregor
|
Patrick Mix
+
FIND MORE